https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79027
Bug ID: 79027
Summary: fold-const.c:11104:1: internal compiler error:
Floating point exception
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: danglin at gcc dot gnu.org
CC: deller at gmx dot de
Target Milestone: ---
Host: hppa-unknown-linux-gnu
Target: hppa-unknown-linux-gnu
Build: hppa-unknown-linux-gnu
Created attachment 40479
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40479&action=edit
Preprocessed source
The build fails on trunk:
/home/dave/gnu/gcc/objdir/./prev-gcc/xg++
-B/home/dave/gnu/gcc/objdir/./prev-gcc
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-M
MD -MP -MF ./.deps/fold-const.TPo ../../gcc/gcc/fold-const.c
../../gcc/gcc/fold-const.c: In function ‘tree_node* fold_binary_loc(location_t,
tree_code, tree, tree, tree)’:
../../gcc/gcc/fold-const.c:11104:1: internal compiler error: Floating point
exce
ption
}
^
0x14fb0af crash_signal ../../gcc/gcc/toplev.c:333
With "-v -save-temps", more errors appear:
dave@MACPRO:~$ cat xx.log
Reading specs from /home/dave/gnu/gcc/objdir/./prev-gcc/specs
COLLECT_GCC=/home/dave/gnu/gcc/objdir/./prev-gcc/xg++
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ignoring nonexistent directory
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#include "..." search starts here:
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GNU C++14 (GCC) version 7.0.0 20170108 (experimental) [trunk revision 244209]
(hppa-linux-gnu)
compiled by GNU C version 6.3.0 20161229, GMP version 6.1.2, MPFR
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GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C++14 (GCC) version 7.0.0 20170108 (experimental) [trunk revision 244209]
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../../gcc/gcc/fold-const.c: In function ‘tree_node* const_binop(tree_code,
tree, tree)’:
../../gcc/gcc/fold-const.c:1290:4: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (COMPLEX_FLOAT_TYPE_P (type))
^~
../../gcc/gcc/fold-const.c:1295:2: note: here
case TRUNC_DIV_EXPR:
^~~~
../../gcc/gcc/fold-const.c: In function ‘tree_node*
fold_negate_expr(location_t, tree)’:
../../gcc/gcc/fold-const.c:630:7: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (TYPE_UNSIGNED (type))
^~
../../gcc/gcc/fold-const.c:635:5: note: here
case RDIV_EXPR:
^~~~
../../gcc/gcc/fold-const.c: In function ‘bool negate_expr_p(tree)’:
../../gcc/gcc/fold-const.c:454:7: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (INTEGRAL_TYPE_P (TREE_TYPE (t))
^~
../../gcc/gcc/fold-const.c:464:5: note: here
case RDIV_EXPR:
^~~~
../../gcc/gcc/fold-const.c: In function ‘tree_node*
fold_convert_loc(location_t, tree, tree)’:
../../gcc/gcc/fold-const.c:2217:7: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (POINTER_TYPE_P (orig)
^~
../../gcc/gcc/fold-const.c:2223:5: note: here
case INTEGER_TYPE: case ENUMERAL_TYPE: case BOOLEAN_TYPE:
^~~~
../../gcc/gcc/fold-const.c: In function ‘int operand_equal_p(const_tree,
const_tree, unsigned int)’:
../../gcc/gcc/fold-const.c:3017:4: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (!operand_equal_p (TYPE_SIZE (TREE_TYPE (arg0)),
^~
../../gcc/gcc/fold-const.c:3023:2: note: here
case REALPART_EXPR:
^~~~
../../gcc/gcc/fold-const.c:3129:4: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (!OP_SAME (2))
^~
../../gcc/gcc/fold-const.c:3134:2: note: here
case TRUTH_AND_EXPR:
^~~~
../../gcc/gcc/fold-const.c:3017:4: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (!operand_equal_p (TYPE_SIZE (TREE_TYPE (arg0)),
^~
../../gcc/gcc/fold-const.c:3023:2: note: here
case REALPART_EXPR:
^~~~
../../gcc/gcc/fold-const.c:3129:4: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (!OP_SAME (2))
^~
../../gcc/gcc/fold-const.c:3134:2: note: here
case TRUTH_AND_EXPR:
^~~~
../../gcc/gcc/fold-const.c: In function ‘bool merge_ranges(int*, tree_node**,
tree_node**, int, tree, tree, int, tree, tree)’:
../../gcc/gcc/fold-const.c:4942:7: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (TYPE_PRECISION (TREE_TYPE (low0))
^~
../../gcc/gcc/fold-const.c:4946:5: note: here
case INTEGER_TYPE:
^~~~
../../gcc/gcc/fold-const.c:4965:7: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (TYPE_PRECISION (TREE_TYPE (high1))
^~
../../gcc/gcc/fold-const.c:4969:5: note: here
case INTEGER_TYPE:
^~~~
../../gcc/gcc/fold-const.c: In function ‘tree_node*
fold_truth_not_expr(location_t, tree)’:
../../gcc/gcc/fold-const.c:3686:7: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (TREE_CODE (TREE_TYPE (arg)) == BOOLEAN_TYPE)
^~
../../gcc/gcc/fold-const.c:3691:5: note: here
case FLOAT_EXPR:
^~~~
../../gcc/gcc/fold-const.c: In function ‘tree_node* fold_binary_loc(location_t,
tree_code, tree, tree, tree)’:
../../gcc/gcc/fold-const.c:10084:2: error: this statement may fall through
[-Werror=implicit-fallthrough=]
}
^
../../gcc/gcc/fold-const.c:10088:5: note: here
case ROUND_DIV_EXPR:
^~~~
../../gcc/gcc/fold-const.c:10218:7: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (integer_zerop (arg0))
^~
../../gcc/gcc/fold-const.c:10221:5: note: here
case TRUTH_AND_EXPR:
^~~~
../../gcc/gcc/fold-const.c:10274:7: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (TREE_CODE (arg0) == INTEGER_CST && ! integer_zerop (arg0))
^~
../../gcc/gcc/fold-const.c:10277:5: note: here
case TRUTH_OR_EXPR:
^~~~
../../gcc/gcc/fold-const.c: In function ‘tree_node* extract_muldiv_1(tree,
tree, tree_code, tree, bool*)’:
../../gcc/gcc/fold-const.c:6005:7: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (tree_int_cst_sgn (c) == -1)
^~
../../gcc/gcc/fold-const.c:6008:5: note: here
case NEGATE_EXPR:
^~~~
../../gcc/gcc/fold-const.c: In function ‘tree_node*
contains_label_1(tree_node**, int*, void*)’:
../../gcc/gcc/fold-const.c:11119:22: error: this statement may fall through
[-Werror=implicit-fallthrough=]
*walk_subtrees = 0;
~~~~~~~~~~~~~~~^~~
../../gcc/gcc/fold-const.c:11123:5: note: here
default:
^~~~~~~
../../gcc/gcc/fold-const.c: In function ‘tree_node*
fold_cond_expr_with_comparison(location_t, tree, tree, tree, tree)’:
../../gcc/gcc/fold-const.c:5079:2: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (flag_trapping_math)
^~
../../gcc/gcc/fold-const.c:5082:7: note: here
case GE_EXPR:
^~~~
../../gcc/gcc/fold-const.c:5090:2: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (flag_trapping_math)
^~
../../gcc/gcc/fold-const.c:5093:7: note: here
case LE_EXPR:
^~~~
../../gcc/gcc/fold-const.c: In function ‘int multiple_of_p(tree, const_tree,
const_tree)’:
../../gcc/gcc/fold-const.c:12451:7: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if (!integer_pow2p (bottom))
^~
../../gcc/gcc/fold-const.c:12455:5: note: here
case MULT_EXPR:
^~~~
../../gcc/gcc/fold-const.c:12496:7: error: this statement may fall through
[-Werror=implicit-fallthrough=]
if ((TREE_CODE (TREE_TYPE (TREE_OPERAND (top, 0))) != INTEGER_TYPE)
^~
../../gcc/gcc/fold-const.c:12503:5: note: here
case SAVE_EXPR:
^~~~
../../gcc/gcc/fold-const.c:12554:2: error: this statement may fall through
[-Werror=implicit-fallthrough=]
}
^
../../gcc/gcc/fold-const.c:12558:5: note: here
default:
^~~~~~~
../../gcc/gcc/fold-const.c: In function ‘tree_node* fold_binary_loc(location_t,
tree_code, tree, tree, tree)’:
../../gcc/gcc/fold-const.c:11104:1: internal compiler error: Floating point
exception
}
^
0x14fb0af crash_signal
../../gcc/gcc/toplev.c:333
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
